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Science Daily: Dog News

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Potential heart disorder cause, treatment identified

A novel therapy tested scientists for treating a fatal heart disorder in dogs might ultimately help in diagnosing and treating heart disease in humans. The team also identified potential causes of inherited dilated cardiomyopathy (DCM) or "weak heart." View the source article

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Puff adders, the ultimate ambush predator

The puff adder, Bitis Arietans, one of Africa's most abundant and venomous snake species has long been known to be a master of camouflage, but research has shown that it is the first land animal to be shown to make use of chemical crypsis (scent camouflage) to hide from predators and prey. View the source article

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Second contagious form of cancer found in Tasmanian devils

Transmissible cancers are believed to arise extremely rarely in nature. One of the few known transmissible cancers causes facial tumors in Tasmanian devils, and is threatening this species with extinction. Today, scientists report the discovery of a second transmissible cancer in Tasmanian devils. The discovery calls into question our current understanding of the processes that drive cancers to become transmissible. View the source article

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Dogs give friends food

Compared to the rest of the animal kingdom, the human capacity for cooperation is something quite special. Cooperating with one another requires a certain amount of prosocial behavior. This means helping others without any direct personal benefit. Now a new study has found prosocial behaviour in dogs toward humans. View the source article

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New twist in tale of dogs' origins

The origin of dogs has inspired a lingering controversy in academia. Where and when did dogs first split off from wolves? Now a top-dog researcher hopes his latest research will finally settle the matter. View the source article

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Can your pet boost your sex appeal?

Dogs and cats are increasingly seen as being a crucial member of a traditional family, but aside from the companionship and love you receive from your pet... can they also make you appear sexier? View the source article

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Precise method underlies sloppy madness of dog slurping

Using photography and laboratory simulations, researchers studied how dogs raise fluids into their mouths to drink. They discovered that sloppy-looking actions at the dog bowl are in fact high-speed, precisely timed movements that optimize a dogs' ability to acquire fluids. View the source article

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Using public surveillance to study insect vectors of Chagas disease in Texas

Chagas disease is caused by a parasitic protozoan (Trypanosoma cruzi) and transmitted via triatomine insects known locally in Texas as 'kissing bugs.' Due to the success of community based triatomine surveillance and collection in Central and South America, researchers set up a citizen science program to gain insight into the distribution and infection prevalence of triatomine insects in Texas. View the source article

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First puppies born by in vitro fertilization

For the first time, a litter of puppies was born by in vitro fertilization. The breakthrough opens the door for preserving endangered canid species using assisted reproduction techniques. It could also enable researchers to eradicate heritable diseases in dogs. View the source article

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Biologically powered chip created

Researchers have, for the first time, harnessed the molecular machinery of living systems to power an integrated circuit from ATP, the energy currency of life. They achieved this by integrating a conventional solid-state complementary metal-oxide-semiconductor integrated circuit with an artificial lipid bilayer membrane containing ATP-powered ion pumps, opening the door to creating entirely new artificial systems that contain both biological and solid-state components. View the source article

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Molecular processes for targeted dog cancer therapy investigated

Dogs get cancer, just like humans. Scientists are now exploring the molecular basis of cancer progression in canine cell lines. Modern cancer therapy has been revolutionized with the introduction of new drugs, so-called ‘targeted drugs’, but the basis for the application of these new agents in cancer therapy is a deep understanding of the molecular mechanisms of the disease, even with pets. Now a research team has investigated the activation of genetic regulatory mechanisms in canine cells and f

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New, presumably tick-borne bacterium discovered in an Austrian fox

Ticks can transmit various diseases to people and animals. Some well-known diseases spread by ticks include tick-borne encephalitis (TBE) and Lyme disease. Researchers are hot on the trail of pathogens carried by ticks. The parasitologists recently discovered a new form of the bacterium Candidatus Neoehrlichia in a red fox from the Austrian state of Vorarlberg. The pathogen might also be transmittable to humans, they warn. View the source article

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Rats: Sniff and track, or run and scan?

Strategies used by rats to identify specific targets through odor cues in a familiar environment with a known number of choices has been the focus of recent study. View the source article

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Tissue engineers recruit cells to make their own strong matrix

Extracellular matrix is the material that gives tissues their strength and stretch. It's been hard to make well in the lab, but a research team reports new success. The key was creating a culture environment that guided cells to make ECM themselves. View the source article

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Rat fossils of largest rat that ever existed

Archaeologists have discovered fossils of seven giant rat species on East Timor, with the largest up to 10 times the size of modern rats. The work is part of the From Sunda to Sahul project which is looking at the earliest human movement through Southeast Asia. Researchers are now trying to work out exactly what caused the rats to die out. View the source article

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Monkeys in Asia harbor virus from humans, other species

When it comes to spreading viruses, bats are thought to be among the worst. Now a new study of nearly 900 nonhuman primates in Bangladesh and Cambodia shows that macaques harbor more diverse astroviruses, which can cause infectious gastroenteritis or diarrhea in humans. View the source article

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Early contact with dogs linked to lower risk of asthma

Scientists have used national register information in more than one million children to study the association of early life contact with dogs and subsequent development of asthma. This question has been studied extensively previously, but conclusive findings have been lacking. The new study showed that children who grew up with dogs had about 15 percent less asthma than children without dogs. View the source article

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